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Home >> Chrysler >> 2007 >> Aspen 5.7 2, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0581 To P0643 >> P0591-Speed Control Switch 2 Performance >> Possible Causes
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Possible Causes

Possible Causes 
(V38) S/C SWITCH NO. 2 SIGNAL CIRCUIT OPEN
(V38) S/C SWITCH NO. 2 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(V937) S/C SWITCH RETURN CIRCUIT OPEN
(V38) S/C SWITCH NO. 2 SIGNAL CIRCUIT SHORTED TO GROUND
(V38) S/C SWITCH NO. 2 SIGNAL CIRCUIT SHORTED TO THE (V937) S/C SWITCH RETURN CIRCUIT
SPEED CONTROL SWITCH
CLOCKSPRING
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .